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Product Detailed Parameters
- Description：TRANS PREBIAS PNP 50V SOT323
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Resistors Included：R1 Only
- Transistor Type：PNP - Pre-Biased
- Current - Collector (Ic) (Max)：100 mA
- Voltage - Collector Emitter Breakdown (Max)：50 V
- Resistor - Base (R1)：2.2 kOhms
- Resistor - Emitter Base (R2)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 1mA, 5V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 500µA, 5mA
- Current - Collector Cutoff (Max)：500nA (ICBO)
- Frequency - Transition：250 MHz
- Power - Max：200 mW
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：SC-70, SOT-323
- Supplier Device Package：SOT-323
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Overview
The DDTA123TUA-7 is a PNP pre-biased transistor manufactured by Diodes Incorporated, housed in an SOT-323 surface-mount package. It features built-in biasing resistors with R1 only, eliminating the need for external components. The device supports a maximum collector-emitter voltage of -50 V and a continuous collector current of -100 mA. Electrical characteristics include a DC current transfer ratio (hFE) ranging from 100 to 600 at IC = -1mA and VCE = -5V, and a gain-bandwidth product of 250 MHz. Power dissipation is rated at 200 mW with a thermal resistance of 625 °C/W. Operating temperatures range from -55°C to +150°C.
Feature Summary
- Epitaxial planar die construction for reliable performance
- Built-in biasing resistor (R1 only) simplifies circuit design
- Totally lead-free and fully RoHS compliant
- Halogen and antimony free "Green" device
Applications
- Interface circuits
- Driver applications
- Inverter logic gates
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm compliance status and packaging details. Confirm that the component meets all relevant environmental directives, including RoHS 2 and RoHS 3 requirements. Ensure the selected part number aligns with the required reel size and quantity per reel specifications provided in the datasheet.
Selection Notes
Select this component when a PNP digital transistor with a single internal base resistor is required. Verify that the 2.2 kOhm input resistance matches the target circuit impedance. Ensure the SOT-323 package dimensions fit the available PCB space. Check that the -50 V breakdown voltage and -100 mA current ratings exceed the maximum operational limits of the application.
Part Context
This component belongs to the DDTA series of pre-biased transistors from Diodes Incorporated. It is designed as a complementary counterpart to the DDTC NPN series. The 'UA' suffix indicates the SOT-323 package type. The '123' designation specifies the nominal value of the internal base resistor as 2.2 kOhms.
Replacement Considerations
Complementary NPN types are available within the same family, specifically the DDTC series. Verify pinout compatibility and electrical parameter equivalence before substituting with other manufacturers' equivalents.
